| Classification | Rosaceae: Crataegus |
| Harvard University Herbaria Barcode(s) | 00018282 |
| Type Status | Isolectotype, Syntype |
| Collector | C. S. Sargent |
| Collector number | 15 |
| Country | United States of America |
| State | Missouri |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Missouri: Jasper County: Webb City |
| Date Collected | 1901-10-02 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4eb8e026-eabf-4a1f-b995-5a8b95fe706b |
| Harvard University Herbaria Barcode | 00018282 |
| Herbarium | A |
| Family | Rosaceae |
| Determination | Crataegus pruinosa var. virella (Ashe) Kruschke |
| Determined by | J. B. Phipps (UWO) & G. Yatskievych (MO) |
| Date Determined | 2003 |
| Determination Remarks | [is Current name] |
| Family | Rosaceae |
| Type Status | Isolectotype |
| Isolectotype of | Crataegus aspera Sargent |
| Taxon Reference | (for Crataegus aspera Sargent) Trees & Shrubs [Sargent] 1908. 2: 67. |
| Family | Rosaceae |
| Type Status | Syntype |
| Syntype of | Crataegus aspera Sargent |
| Verified by | D. E. Boufford |
| Taxon Reference | (for Crataegus aspera Sargent) Trees & Shrubs [Sargent] 1908. 2: 67. |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
